Evaluate $(- 1)^{odd number}$ .

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0.0

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-1

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None of these

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Solution

The correct option is C -1
By the Laws of Exponents, we know that
$(- a)^{m} = - a^{m}$ , if m is odd.
$\Rightarrow$ $(- 1)^{o d d n u m b e r} = (- 1)$
Example: $(- 1)^{3} = (- 1) \times (- 1) \times (- 1) = - 1$

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Evaluate (−1)odd number.

The correct option is C -1By the Laws of Exponents, we know that (−a)m=−am, if m is odd. ⇒ (−1)oddnumber=(−1) Example: (−1)3=(−1)×(−1)×(−1)=−1

Evaluate $(- 1)^{odd number}$ .

The correct option is C -1
By the Laws of Exponents, we know that
$(- a)^{m} = - a^{m}$ , if m is odd.
$\Rightarrow$ $(- 1)^{o d d n u m b e r} = (- 1)$
Example: $(- 1)^{3} = (- 1) \times (- 1) \times (- 1) = - 1$